package com.qf.gateway.application.filter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * 全局过滤器
 *
 * 命令式 - 从上到下执行
 * 响应式 - Spring5.0+支持  gateway - 响应式
 */
@Component
public class MyGlobalFilter implements GlobalFilter, Ordered {

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        System.out.println("全局过滤器执行了");
        //请求放行
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 0;
    }
}
